Almost all of the CO2 we breathe out is made in ? a. photosynthesis
b. the electron transport chain
c. the Krebs cycle

After reading the paragraph below, answer the questions that follow. researchers have created a robot that has a very thin leg that is moved by cardiac (heart) cells contracting in unison. the robot, made of a polymer similar to that used in making contact lenses, is bathed in heart cells with supporting cells, which then attach to the robot and provide movement as they contract. all of the cardiac cells working together can cause the robot leg to move in a way that individual cells could not. this is an example of a. emergent properties of cells. b. energy flow through an ecosystem. c. adaptation. d. internal environment regulation.

Drag each label to the correct location. each label can be moved more than once match the properties with the subatomic particle

Which is an example of a decomposer? a. bear b.algae c.grass d.bacteria d bacteria